| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | United States | 4 | |
| #3 | Australia | 3 | |
| #4 | China | 3 | |
| #5 | Japan | 1 | |
| #6 | Singapore | 1 | |
| #7 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Control | |
| #5 | Mechanical elements | |
| #6 | Transport | |
| #7 | Chemical engineering | |
| #8 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Manipulators | |
| #2 | Scaffolding | |
| #3 | Spraying devices | |
| #4 | Nails | |
| #5 | Control or regulating systems | |
| #6 | Motor vehicles | |
| #7 | Cleaning | |
| #8 | Domestic washing | |
| #9 | Lifting and pushing | |
| #10 | Elevators and escalators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lim Hui Eng | 17 |
| Publication | Filing date | Title |
|---|---|---|
| SG10201907223YA | Exterior wall maintenance apparatus | |
| CN109838073A | The automated system of wall for coated building | |
| US2017284113A1 | System and method for cleaning external walls of building | |
| CN108472673A | For the external wall to building spray the system and method for japanning |